Remove support for nmp.NaN as import alias for numpy.NaN in nan-comparison (#10583)

cdce8p · Pierre-Sassoulas · web-flow · commit 42c0131104aa · 2025-09-24T06:58:13.000+02:00
Co-authored-by: Pierre Sassoulas &lt;pierre.sassoulas@gmail.com&gt;
diff --git a/doc/whatsnew/fragments/10583.breaking b/doc/whatsnew/fragments/10583.breaking
@@ -0,0 +1,3 @@
+Removed support for ``nmp.NaN`` alias for ``numpy.NaN`` being recognized in ':ref:`nan-comparison`'. Use ``np`` or ``numpy`` instead.
+
+Refs #10583
diff --git a/pylint/checkers/base/comparison_checker.py b/pylint/checkers/base/comparison_checker.py
@@ -157,7 +157,7 @@ def _is_float_nan(node: nodes.NodeNG) -> bool:
         def _is_numpy_nan(node: nodes.NodeNG) -> bool:
             match node:
                 case nodes.Attribute(attrname="NaN", expr=nodes.Name(name=name)):
-                    return name in {"numpy", "nmp", "np"}
+                    return name in {"numpy", "np"}
             return False
 
         def _is_nan(node: nodes.NodeNG) -> bool:

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	+Removed support for ``nmp.NaN`` alias for ``numpy.NaN`` being recognized in ':ref:`nan-comparison`'. Use ``np`` or ``numpy`` instead.
	`2`	`+`
	`3`	`+Refs #10583`